Comprehensive evaluation and classification of urban economic benefits under typical correlation analysis

摘要

Since the reform and opening up, the urban economy has gradually become the main body of the national economy. In order to strengthen the evaluation of urban economic benefits is an important link in improving urban economic benefits. Based on the research on the relevant factors of urban economic efficiency, this paper selects the input and output elements of the city from a variety of factors, and establishes a definite expression of the comprehensive benefits of the city based on the selection. This article first uses the systematic clustering method to classify 30 regions, and then uses canonical correlation analysis to find several comprehensive variables between the original two sets of variables into a few pairs of comprehensive variables. Through the comprehensive application of the canonical correlation analysis method and the systematic clustering method, the relevant scores of each city are further obtained. This method can reduce the dimension of data, quickly find out the correlation of variables and classify them. The final results show that the evaluation results and ranking are in line with reality, which has a certain reference value for the evaluation standards of cities in the future.